Question
In a box, there are some mangoes and pears. If 45 more pears are put into the box, the percentage of mangoes will decrease from 80% to 20%. How many mangoes are there in the box?
3 m

Click button first when a symbol is required. X

In a box, there are some mangoes and pears. If 45 more pears are put into the box, the percentage of mangoes will decrease from 80% to 20%. How many mangoes are there in the box?